Consider that the second a Luongo-to-Florida trade is completed, the Panthers lose all leverage on a Markstrom trade. They wouldn't and shouldn't give him away, but maybe you get a decent player like Read and/or exchange of draft pick(s). It's the reason why the Canucks held on to Schneider all these years, his value to the Canucks never matched the market, and were fortunate to hold on before he became a Group V UFA

Agreed. But, The panthers consider luongo a stop gap to when markstrom is ready. Not the long term solution. Acquiring luongo does not change anything about markstrom's status With the team